[INFO] cloning repository https://github.com/Zecapunk/fhe-oszeca
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zecapunk/fhe-oszeca" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZecapunk%2Ffhe-oszeca", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZecapunk%2Ffhe-oszeca'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b89e3164835f49dc5c089d9c9999ccb479a4cfa
[INFO] checking Zecapunk/fhe-oszeca against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZecapunk%2Ffhe-oszeca" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zecapunk/fhe-oszeca on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zecapunk/fhe-oszeca
[INFO] finished tweaking git repo https://github.com/Zecapunk/fhe-oszeca
[INFO] tweaked toml for git repo https://github.com/Zecapunk/fhe-oszeca written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zecapunk/fhe-oszeca already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concrete-npe v0.1.9
[INFO] [stderr]   Downloaded concrete-fftw v0.1.2
[INFO] [stderr]   Downloaded concrete-commons v0.1.1
[INFO] [stderr]   Downloaded concrete-csprng v0.1.7
[INFO] [stderr]   Downloaded concrete v0.1.11
[INFO] [stderr]   Downloaded concrete-core v0.1.10
[INFO] [stderr]   Downloaded concrete-fftw-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c2da0e6aad7704cfd49c31c42d9b56424280c23ce9f0f448131b5b5e346da0
[INFO] running `Command { std: "docker" "start" "-a" "19c2da0e6aad7704cfd49c31c42d9b56424280c23ce9f0f448131b5b5e346da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c2da0e6aad7704cfd49c31c42d9b56424280c23ce9f0f448131b5b5e346da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c2da0e6aad7704cfd49c31c42d9b56424280c23ce9f0f448131b5b5e346da0", kill_on_drop: false }`
[INFO] [stdout] 19c2da0e6aad7704cfd49c31c42d9b56424280c23ce9f0f448131b5b5e346da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ef36976ac51b37cc076fc5a0f940c230f6e66d2a8e5e74cf2ea11b8e8c3dbd
[INFO] running `Command { std: "docker" "start" "-a" "b0ef36976ac51b37cc076fc5a0f940c230f6e66d2a8e5e74cf2ea11b8e8c3dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling concrete v0.1.11
[INFO] [stderr]    Compiling concrete-fftw-sys v0.1.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking concrete-npe v0.1.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking concrete-csprng v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking concrete-commons v0.1.1
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b0ef36976ac51b37cc076fc5a0f940c230f6e66d2a8e5e74cf2ea11b8e8c3dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ef36976ac51b37cc076fc5a0f940c230f6e66d2a8e5e74cf2ea11b8e8c3dbd", kill_on_drop: false }`
[INFO] [stdout] b0ef36976ac51b37cc076fc5a0f940c230f6e66d2a8e5e74cf2ea11b8e8c3dbd